epinasty
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ep·i·nas·ty
(ĕp′ə-năs′tē)n.
The downward bending of a leaf or other plant part, resulting from greater growth of the upper side than of the lower side.
ep′i·nas′tic (-tĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
epinasty
(ˈɛpɪˌnæstɪ)n, pl -ties
(Botany) increased growth of the upper surface of a plant part, such as a leaf, resulting in a downward bending of the part. Compare hyponasty
[C19: from epi- + -nasty, from Greek nastos pressed down, from nassein to press]
ˌepiˈnastic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ep•i•nas•ty
(ˈɛp əˌnæs ti)n.
increased growth on the upper surface of a plant organ or part, esp. a leaf, causing it to bend downward.
[1875–80]
ep`i•nas′tic, adj.
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